diff --git a/INSTALL.md b/INSTALL.md
index 9ec4b3922..9b03148ea 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -29,7 +29,7 @@ or not your Linux distribution supports a package manager:
         sudo rpm -U $PWD/{,scstadmin/}rpmbuilddir/RPMS/*/*.rpm
     elif dpkg-query -s libc-bin >/dev/null 2>&1; then
         sudo apt install build-essential debhelper devscripts gcc make lintian quilt
-        sudo apt install linux-headers-$(uname -r) || sudo apt install pve-headers-$(uname -r) 
+        sudo apt install linux-headers-$(uname -r) || sudo apt install pve-headers-$(uname -r)
         make dpkg
         sudo dpkg -i $PWD/dpkg/{scst,iscsi-scst,scstadmin}_*.deb
     else
diff --git a/scst/include/backport.h b/scst/include/backport.h
index 368360e5d..11d2b9f77 100644
--- a/scst/include/backport.h
+++ b/scst/include/backport.h
@@ -891,7 +891,9 @@ static inline bool list_entry_in_list(const struct list_head *entry)
  * See also commit 108c14858b9e ("locking/lockdep: Add support for dynamic
  * keys").
  */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 1, 0)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 1, 0) &&	\
+	(!defined(RHEL_MAJOR) || RHEL_MAJOR -0 < 8 ||	\
+	 (RHEL_MAJOR -0 == 8 && RHEL_MINOR -0 < 2))
 static inline void lockdep_register_key(struct lock_class_key *key)
 {
 }